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Advantages of Superheterodyne Receiver Quiz

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Advantages of Superheterodyne Receiver Quiz

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Questions and Answers

What is the purpose of the mixer in a superheterodyne receiver?

To demodulate the received signal

To filter out unwanted signals

To convert the received signal to a fixed intermediate frequency (correct)

To amplify the received signal

In a superheterodyne receiver, the local oscillator frequency is typically set to:

Equal to the carrier frequency

Randomly chosen

Higher than the carrier frequency (correct)

Lower than the carrier frequency

What is the purpose of the IF amplifier in a superheterodyne receiver?

To amplify the received signal before mixing

To demodulate the received signal

To filter out unwanted signals

To amplify the intermediate frequency signal (correct)

Which stage in a superheterodyne receiver is responsible for selecting the desired signal frequency?

Tuned RF amplifier Signup and view all the answers

In a superheterodyne receiver, the intermediate frequency is typically:

Lower than the carrier frequency Signup and view all the answers

What is the purpose of the detector in a superheterodyne receiver?

To extract the audio or data signal from the IF signal Signup and view all the answers

Which stage in a superheterodyne receiver improves sensitivity due to extra gain?

IF amplifier Signup and view all the answers

In a superheterodyne receiver, the output of the mixer contains:

The input signal, local oscillator signal, and their sum and difference frequencies Signup and view all the answers

Which of the following statements about superheterodyne receivers is true?

The IF amplifier improves selectivity by adding tuned circuits Signup and view all the answers

What is the advantage of using an intermediate frequency in a superheterodyne receiver?

It simplifies the design of the amplifier stages Signup and view all the answers